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I need a little help. I have a curve and I am trying to get secondary curves around it. And finally to convert it to geometry with polywire. I don't want my curves to interpenetrate or to twist.

I scatter points into a circle. I give an individual attribute to each point. I copy them to the points of the curve.
I tried polyframe and vex code to keep the orientation of the points along the curve. I manage to get it but now I see that my secondary curves twist at some points. I think that I should use quaternion as orient before the copy but I don't know how to use it.
For the moment, I've got this in my wrangle before the copy :